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Questions and Answers
Strength is the ability to bear a load before plastic deformation.
False
Ductility refers to the ability of a material to restore to its original shape after removal of external loads.
False
Stiffness is the resistance to recoverable deformation.
True
Hardness is the resistance to elastic deformation.
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Toughness refers to the resistance to both elastic and plastic deformation.
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Creep is the permanent deformation of a component when subjected to high stresses at low temperatures.
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